Patents by Inventor Naoki Matsuoka

Naoki Matsuoka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12199280
    Abstract: Provided is a non-aqueous secondary battery that includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode includes LiNixCoyMnzO2 (0.7<x<0.9, 0<y<0.2, 0<z<0.2) as a lithium-containing metal oxide, and when the positive electrode before and after cycle testing of the non-aqueous secondary battery is analyzed by powder X-ray diffraction using Cu-K? radiation, the rate of change of the c-axis lattice constant is 1.0% or less. The non-aqueous electrolyte includes 5-20% by volume of acetonitrile and has an ion conductivity of at least 10 mS/cm and less than 15 mS/cm at 20° C.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: January 14, 2025
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Makoto Ito, Hirokazu Kamine, Naoki Matsuoka
  • Patent number: 12113210
    Abstract: An all-solid-state battery having excellent load characteristics, and an electrode for an all-solid-state battery for forming the all-solid-state battery are provided. It relates to Goals 12, 3, 7, and 11 of Sustainable Development Goals (SDGs). The electrode for an all-solid-state battery includes a molded body of a mixture containing an active material-containing electrode material, a solid electrolyte, and a conductive assistant. The electrode material is in the form of a composite particle having a layer containing a solid electrolyte A1 or solid electrolyte A2 that contains certain elements on its surface. The mixture molded body includes a solid electrolyte B1 or solid electrolyte B2 that contains certain elements between the composite particles. The compositions of the solid electrolyte A1 and the solid electrolyte B1 satisfy a certain relationship, or the composition of the solid electrolyte A2 and the composition of the solid electrolyte B2 satisfy a certain relationship.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: October 8, 2024
    Assignee: MAXELL, LTD.
    Inventors: Kentaro Tomita, Naoki Matsuoka, Hiroyoshi Aoki, Haruki Kamizori
  • Publication number: 20240297342
    Abstract: The present invention provides a nonaqueous electrolyte solution which contains: a nonaqueous solvent containing acetonitrile and vinylene carbonate; and a compound represented by general formula (1) R1-A-R2 (wherein A represents a divalent group that has a structure represented by one of formulae (1-2) to (1-5); and each of R1 and R2 independently represents an aryl group, an alkyl group which may be substituted by a halogen atom, while having from 1 to 4 carbon atoms, an alkyl group, a vinylidene group which may be substituted by a halogen atom, or an aryl group which may be substituted by a halogen atom; or alternatively, R1 and R2 may combine with each other and form, together with A, a ring structure that may have an unsaturated bond). With respect to this nonaqueous electrolyte solution, the total content of the vinylene carbonate and the compound represented by general formula (1) is not less than 0.
    Type: Application
    Filed: October 31, 2023
    Publication date: September 5, 2024
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Hirokazu Kamine, Naoki Matsuoka, Makoto Ito, Xun Zhang
  • Publication number: 20240194948
    Abstract: Provided is a non-aqueous electrolyte containing a non-aqueous electrosolvent and a lithium salt, wherein the non-aqueous solvent includes a carbonate solvent, the lithium salt contains a fluorine-containing cyclic sulfonylimide salt represented by general formula (1): (in the formula, Rf each may be the same or different and each represent a fluorine atom or a C4 or lower perfluoro group), and a fluorine-containing sulfonamide compound represented by general formula (2): H(CR2)m—SO2NHM2 (in the formula, R each may be the same or different and each are a fluorine atom or a trifluoromethyl group, M2 is Li, Na, K, H, or NH4, and m is 1 or 2) is contained in an amount of 1,000 mass ppm or less relative to the total amount of non-aqueous electrolyte.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 13, 2024
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Makoto Ito, Naoki Matsuoka, Kaishi Hori, Kazuki Maeda, Nobuyuki Uematsu
  • Publication number: 20240178452
    Abstract: The present invention provides a nonaqueous electrolyte solution which contains a nonaqueous solvent and a lithium salt, wherein: the nonaqueous solvent contains acetonitrile in an amount of 3% by volume to 97% by volume relative to the total amount of the nonaqueous solvent; the lithium salt contains a cyclic anion-containing lithium salt that is represented by formula (1) (wherein Rf moieties may be the same as or different from each other, and each represents a fluorine atom or a perfluoro group having 4 or less carbon atoms); and the content of the cyclic anion-containing lithium salt that is represented by formula (1) is from 0.001 to 5 in terms of the molar ratio relative to the content of the acetonitrile.
    Type: Application
    Filed: March 25, 2022
    Publication date: May 30, 2024
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Makoto Ito
  • Patent number: 11914608
    Abstract: An information processing device includes one or more memories; and one or more processors coupled to the one or more memories and the one or more processors configured to acquire allocation data that indicates an allocation result of a plurality of resources for a plurality of allocation destinations, extract data that violates a first condition from the acquired allocation data, classify the extracted data into a plurality of groups, acquire an index value regarding an appearance frequency of an allocation pattern of a resource of the plurality of resources based on data of each of the plurality of classified groups, and generate a second condition for the allocation pattern based on the index value.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 27, 2024
    Assignee: FUJITSU LIMITED
    Inventors: Yuki Sasamoto, Yusuke Komaba, Akihiro Inomata, Naoki Matsuoka
  • Patent number: 11843092
    Abstract: The present disclosure provides a nonaqueous electrolyte solution which contains: a nonaqueous solvent containing acetonitrile and vinylene carbonate; and a compound represented by general formula (1) R1-A-R2 (wherein A represents a divalent group that has a structure represented by one of formulae (1-2) to (1-5); and each of R1 and R2 independently represents an aryl group, an alkyl group which may be substituted by a halogen atom, while having from 1 to 4 carbon atoms, an alkyl group, a vinylidene group which may be substituted by a halogen atom, or an aryl group which may be substituted by a halogen atom; or alternatively, R1 and R2 may combine with each other and form, together with A, a ring structure that may have an unsaturated bond).
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: December 12, 2023
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Hirokazu Kamine, Naoki Matsuoka, Makoto Ito, Xun Zhang
  • Patent number: 11532839
    Abstract: To provide a non-aqueous electrolyte solution, a non-aqueous secondary battery, a cell pack, and a hybrid power system, capable of improving desired battery performance in an acetonitrile electrolyte solution, the non-aqueous electrolyte solution contains a non-aqueous solvent, PO2F2 anions, and cyclic acid anhydride.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: December 20, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Hirokazu Kamine, Masaki Takahashi, Kazuyuki Fujiwara
  • Patent number: 11515567
    Abstract: To provide a non-aqueous electrolyte solution, a non-aqueous secondary battery, a cell pack, and a hybrid power system, capable of improving desired battery performance using acetonitrile, the non-aqueous electrolyte solution contains acetonitrile, lithium salt, and cyclic acid anhydride.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: November 29, 2022
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Hirokazu Kamine, Masaki Takahashi, Kazuyuki Fujiwara
  • Publication number: 20220342895
    Abstract: An information processing device includes one or more memories; and one or more processors coupled to the one or more memories and the one or more processors configured to acquire allocation data that indicates an allocation result of a plurality of resources for a plurality of allocation destinations, extract data that violates a first condition from the acquired allocation data, classify the extracted data into a plurality of groups, acquire an index value regarding an appearance frequency of an allocation pattern of a resource of the plurality of resources based on data of each of the plurality of classified groups, and generate a second condition for the allocation pattern based on the index value.
    Type: Application
    Filed: February 25, 2022
    Publication date: October 27, 2022
    Applicant: FUJITSU LIMITED
    Inventors: Yuki Sasamoto, Yusuke Komaba, Akihiro Inomata, Naoki Matsuoka
  • Publication number: 20220320585
    Abstract: Provided is a high-capacity cell pack in which cell imbalance is eliminated, precipitation of a poorly soluble redox shuttle can be prevented, deterioration due to overcharging is suppressed, cell yield is improved, and charge/discharge cycling is stable. The cell pack according to the present invention is a cell pack comprising non-aqueous secondary cells each comprising a non-aqueous electrolyte solution containing an electrolyte salt and a non-aqueous solvent, a positive electrode, and a negative electrode, wherein the cell pack is configured with a module in which two or more of the non-aqueous secondary cells are connected in series or with two or more of the modules in parallel, or the cell pack is configured with a module in which two or more of the non-aqueous secondary cells are connected in parallel or with two or more of the modules in series; each of the non-aqueous secondary cells constituting the module has a ratio of maximum capacity (B) to minimum capacity (A) of 1.00<B/A<2.
    Type: Application
    Filed: May 28, 2021
    Publication date: October 6, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventor: Naoki Matsuoka
  • Publication number: 20220293929
    Abstract: Provided is a non-aqueous secondary battery that includes a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte. The positive electrode includes LiNixCoyMnzO2 (0.7<x<0.9, 0<y<0.2, 0<z<0.2) as a lithium-containing metal oxide, and when the positive electrode before and after cycle testing of the non-aqueous secondary battery is analyzed by powder X-ray diffraction using Cu-K? radiation, the rate of change of the c-axis lattice constant is 1.0% or less. The non-aqueous electrolyte includes 5-20% by volume of acetonitrile and has an ion conductivity of at least 10 mS/cm and less than 15 mS/cm at 20° C.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 15, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Makoto Ito, Hirokazu Kamine, Naoki Matsuoka
  • Publication number: 20220285726
    Abstract: An all-solid-state battery having excellent load characteristics, and an electrode for an all-solid-state battery for forming the all-solid-state battery are provided. It relates to Goals 12, 3, 7, and 11 of Sustainable Development Goals (SDGs). The electrode for an all-solid-state battery includes a molded body of a mixture containing an active material-containing electrode material, a solid electrolyte, and a conductive assistant. The electrode material is in the form of a composite particle having a layer containing a solid electrolyte A1 or solid electrolyte A2 that contains certain elements on its surface. The mixture molded body includes a solid electrolyte B1 or solid electrolyte B2 that contains certain elements between the composite particles. The compositions of the solid electrolyte A1 and the solid electrolyte B1 satisfy a certain relationship, or the composition of the solid electrolyte A2 and the composition of the solid electrolyte B2 satisfy a certain relationship.
    Type: Application
    Filed: March 11, 2021
    Publication date: September 8, 2022
    Applicant: Maxell, Ltd.
    Inventors: Kentaro Tomita, Naoki Matsuoka, Hiroyoshi Aoki, Haruki Kamizori
  • Publication number: 20220271338
    Abstract: The present invention provides a nonaqueous electrolyte solution which contains: a nonaqueous solvent containing acetonitrile and vinylene carbonate; and a compound represented by general formula (1) R1-A-R2 (wherein A represents a divalent group that has a structure represented by one of formulae (1-2) to (1-5); and each of R1 and R2 independently represents an aryl group, an alkyl group which may be substituted by a halogen atom, while having from 1 to 4 carbon atoms, an alkyl group, a vinylidene group which may be substituted by a halogen atom, or an aryl group which may be substituted by a halogen atom; or alternatively, R1 and R2 may combine with each other and form, together with A, a ring structure that may have an unsaturated bond). With respect to this nonaqueous electrolyte solution, the total content of the vinylene carbonate and the compound represented by general formula (1) is not less than 0.
    Type: Application
    Filed: September 11, 2020
    Publication date: August 25, 2022
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Hirokazu Kamine, Naoki Matsuoka, Makoto Ito, Xun Zhang
  • Patent number: 11259068
    Abstract: There is provided an information processing system including an inputting apparatus connected to a target apparatus that executes a process according to a manipulation of a user, and a control apparatus connected to the inputting apparatus, in which the control apparatus transmits a plurality of manipulation data prepared in advance and individually indicative of manipulation contents of the user to the inputting apparatus in order one by one, and the inputting apparatus transmits in order one by one the manipulation data transmitted from the control apparatus to the target apparatus at time intervals corresponding to time intervals at which contents of the manipulation are accepted in a case in which the target apparatus executes a process according to a manipulation of the user.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: February 22, 2022
    Assignee: Sony Interactive Entertainment Inc.
    Inventors: Takafumi Ogura, Masahiko Sato, Naoki Matsuoka, Takashi Enokihara
  • Publication number: 20210351437
    Abstract: Provided is a nonaqueous secondary battery including: a positive electrode that contains at least one positive electrode active material capable of occluding and releasing lithium ions; a negative electrode that contains a negative electrode active material which is at least one selected from the group consisting of lithium metals and materials capable of occluding and releasing lithium ions; and a nonaqueous electrolytic solution, wherein the negative electrode contains at least one compound selected from the group consisting of compounds represented by general formulas (1)-(3).
    Type: Application
    Filed: September 13, 2019
    Publication date: November 11, 2021
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Hirokazu Kamine, Naoki Matsuoka
  • Publication number: 20210344045
    Abstract: A nonaqueous electrolyte solution is provided comprising a nonaqueous solvent containing acetonitrile at 5 vol % to 95 vol %; a lithium salt; and one or more compounds having a structure satisfying the following conditions 1 to 5: 1. being a condensation polycyclic heterocyclic ring compound, 2. containing a pyrimidine backbone in the condensation polycyclic heterocyclic ring, 3. containing 3 or more nitrogen atoms in the condensation polycyclic heterocyclic ring, 4. containing 5 or more sp2 carbons in the condensation polycyclic heterocyclic ring, and 5. having no hydrogen atoms bonded to the nitrogen atoms in the condensation polycyclic heterocyclic ring.
    Type: Application
    Filed: June 26, 2020
    Publication date: November 4, 2021
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Kosuke Shoji, Naoki Matsuoka
  • Publication number: 20210344046
    Abstract: Provided is a nonaqueous electrolytic solution containing a nonaqueous solvent, a lithium salt, and at least one compound selected from the group consisting of compounds represented by general formula (1): R1—(S)n—R2, general formula (2): X—Si(OR3)(3-m)R4m, general formula (3), general formula (4), and general formula (18): X—Si(OR3?OR3)(3-m)R4m.
    Type: Application
    Filed: September 13, 2019
    Publication date: November 4, 2021
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Hirokazu Kamine
  • Patent number: 11081730
    Abstract: To provide a non-aqueous electrolyte solution, a non-aqueous secondary battery, a cell pack, and a hybrid power system, capable of improving desired battery performance in an acetonitrile electrolyte solution, the non-aqueous electrolyte solution contains a non-aqueous solvent, PO2F2 anions, and cyclic acid anhydride.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: August 3, 2021
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Hirokazu Kamine, Masaki Takahashi, Kazuyuki Fujiwara
  • Publication number: 20200389692
    Abstract: There is provided an information processing system including an inputting apparatus connected to a target apparatus that executes a process according to a manipulation of a user, and a control apparatus connected to the inputting apparatus, in which the control apparatus transmits a plurality of manipulation data prepared in advance and individually indicative of manipulation contents of the user to the inputting apparatus in order one by one, and the inputting apparatus transmits in order one by one the manipulation data transmitted from the control apparatus to the target apparatus at time intervals corresponding to time intervals at which contents of the manipulation are accepted in a case in which the target apparatus executes a process according to a manipulation of the user.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 10, 2020
    Applicant: Sony Interactive Entertainment Inc.
    Inventors: Takafumi Ogura, Masahiko Sato, Naoki Matsuoka, Takashi Enokihara